<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>管理员主页</title>


    <link href="bootstrap-4.6.1-dist/css/bootstrap.css"
          rel="stylesheet" type="text/css">
    <style>
        .dropdown{
            margin-bottom: -20px;
        }
        .dropdown:hover{
            margin: 0px;
        }
        .userPortrait {
            width: 40px;
            height: 40px;
            border: 1px solid red;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto;
            /*margin-top: 100px;*/
        }
        .userPortrait img {
            display: block;
            width: 100%;
            height:100%;
            border: 1px solid green;
        }
    </style>
</head>
<body>
<!--眉头-->
<nav class="nav navbar-expand-lg navbar-dark bg-primary">
    <a class="navbar-brand col-1 text-center" href="index.html" >
        爱思教育
    </a>
    <button class="navbar-toggler" type="button" data-toggle="collapse
    " data-target="#navbarText" aria-controls="navbarText" aria-expanded="false
    " aria-label="Toggle navigation">

    </button>
    <div class="collapse navbar-collapse">
        <ul class="navbar-nav">
            <li class="nav-item active">
                <a class="nav-link"></a>
            </li>
            <li class="nav-item active">
                <a class="nav-link " href="managerHome.html">
                    点击此处返回管理员主页
                </a>
            </li>

        </ul>
    </div>
    <div class="userPortrait active dropdown">
        <a href="userInformation.html"><img src="img/defaultPortrait.jpg" alt=""></a>
    </div>
</nav>

<!-- 中间 -->

<tr >
    <div class="col" align="center">
        <font type="text"  size="+4" color="black" style="font-weight: bold"> 管理员功能列表：</font>
    </div>
    <div class="col" align="center">
        <a href="managerSubject.html">
            <div class="btn btn-lg btn-primary align-content-center text-center" >
                管理学科
            </div>

        </a>
        <a href="managerChangeUser.html">
            <div class="btn btn-lg  btn-primary align-content-center text-center" >
                管理账户
            </div>
        </a>
    </div>
</tr>
<!--页脚-->
<div class="footer bg-primary fixed-bottom text-center">
    <p class="text-white">版权所有© Copyright 1999-2021 爱思软件股份有限公司　　中国·青岛黄岛区嘉陵江路777号 西区公寓2号   版本V-0.0.1</p>
</div>

</body>
</html>